Macnaught M50 ST. STEEL SERIES Instruction Manual

MS244
0508
0003
POSITIVE DISPLACEMENT FLOW METERS
M50 ST. STEEL SERIES INSTRUCTION MANUAL
M50 Pulse; M50 Standard LCD; M50 Deluxe LCD; From serial No.CXXXX

TO THE OWNER

Please take a few minutes to read through
this manual before
your meter. Always retain this manual for future
reference.
If you have any problems with the meter, refer
to the maintenance
sections of this manual.
This manual contains connection and operating
instructions for meters with Pulse
and Liquid Crystal Displays. Each model with
a Liquid Crystal Display has an additional LCD
instruction manual
further assistance,
representative or distributor for advice.
This Flow Meter has incorporated the oval
rotor principal into its design. This has proven to
be a reliable and highly accurate method
measuring flow.
Exceptional repeatability and high accuracy over
a wide range of fluid viscosities and flow rates
are features of the oval
low pressure drop and high pressure rating oval
rotor flow meters are suitable for both gravity and
pump (in line)
applications.
The M50 series meters are available in either
Aluminium, Bronze or Stainless Steel. Standard
rotors are also made from PPS with optional 316
Stainless Steel rotors available for both SS and
Aluminium models.
Meters are available with either;
* Pulse output
* Standard LC Display and Pulse
* Deluxe LC Display and Pulse
installing and operating
and trouble shooting
outputs
supplied. If you need
contact your local
rotor design. With

IMPORTANT INFORMATION

PLEASE READ THIS INFORMATION
CAREFULLY BEFORE USE!
Before use, confirm the fluid to be used is compatible
with the meter. Refer to industry fluid compatibility
charts or consult your local representative for
advice.
To prevent damage from dirt or foreign matter it is
of
recommended that a Y or Basket type 60 mesh
strainer be installed as close as possible to the
inlet side of
representative for advice.
Note: When a strainer is installed it should be
regularly inspected and cleaned. Failure to keep
the strainer clean
meter performance.
Note: To prevent damage caused by air purge slowly
fill the meter with fluid. To reduce pressure build up
turn off the pump at the end of each day.
Maintenance can be carried out to the liquid crystal
displays and
isolating the meter from
maintenance to any other part of the meter is
required, the meter must be isolated and the line
pressure reduced.
The reed switch pulse unit can cause inaccurate
rate counts when used with high speed counters. It is
advised that a debounce circuit be used. Contact your
meter distributor for further information.
the meter. Contact
will dramatically
pulse units without removing or
the line.
your local
effect flow
When